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Finding the Third Proportional to 8,508.38 and 12,465.56

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Solution

The third proportional to 8,508.38 and 12,465.56 is: 18,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.38 : 12,465.56 = 12,465.56 : x
  2. Step 2: Convert to fraction form
    8,508.38/12,465.56 = 12,465.56/x
  3. Step 3: Cross multiply
    8,508.38x = 12,465.56 × 12,465.56
  4. Step 4: Simplify right side
    8,508.38x = 155,390,248.44
  5. Step 5: Solve for x
    x = 155,390,248.44/8,508.38
  6. Step 6: Final answer
    x = 18,263.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.